PEZIZA 



43 



Genus I— Peziza. Dill (" Gen," p. 74). 



Receptacle marginate, cup-shaped, at first closed, 

 afterwards expanding; epidermis thin, contiguous, gla- 

 brous, pruinose, or floccoso-furfuraceus, persistent, distinct; 

 asci large, distinct, fixed, enclosing 8 sporidia, which are 

 soon elastically ejected; paraphyses filiform, intermixed 

 with the asci. Cups adfixed by the centre, often stipitate, 

 freely unfolding, more or less concave, often becoming 

 plane ; hymenium smooth (not villous or pulveraceous), 

 differing in colour ; substance fleshy-membranaceous, not 

 waxy or gelatinous. (Plate V. figs. 11-22). 



Name — See p. 42. 



Arrangement of Subgen 



I. 



II. 



III. 



IV. 



V. 



VI. 



'VII. 



VIII. 



IX. 



X. 



Acetabula 



Tarzetta 



Otidea 



Cochlearia 



Discina 



Galactinia 



Pustularia 



Geosctjpha 



Humaria 



Pyronema 



ERA. 



Key to the Subgenera. 



3. 



Stipitate 



Sessile or substipitate. . 

 (Stem stout 

 \ Stern slender . . 



(Yielding a coloured fluid wheu wounded 

 \ Yielding a colourless fluid when wounded 

 (Cups elongated on one side . . 

 \Cups not elongated on one side 

 JCups large 



\Cups small, rarely exceeding 5 lines broad 

 jTurfuraceous or verrucose, entire . . 

 \ Pruinose or farinose 



Flexuous, csespitose-contorted, sessile 



Plane or repaud, sessile or substipitate 



Smaller, entire or lobed, sessile 

 , jBase surrounded by a delicate white web 

 \Base without a white web round it . . 



6. 



